Home / 25,453.82-38,171.58-8,809.34

Finding the Fourth Proportional to 25,453.82, 38,171.58 and 8,809.34

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Solution

The fourth proportional to 25,453.82, 38,171.58 and 8,809.34 is: 13,210.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.82 : 38,171.58 = 8,809.34 : x
  2. Step 2: Convert to fraction form
    25,453.82/38,171.58 = 8,809.34/x
  3. Step 3: Cross multiply
    25,453.82x = 38,171.58 × 8,809.34
  4. Step 4: Simplify right side
    25,453.82x = 336,266,235.70
  5. Step 5: Solve for x
    x = 336,266,235.70/25,453.82
  6. Step 6: Final answer
    x = 13,210.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.